xref: /openbmc/linux/include/soc/tegra/fuse.h (revision c819e2cf)
1 /*
2  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #ifndef __SOC_TEGRA_FUSE_H__
18 #define __SOC_TEGRA_FUSE_H__
19 
20 #define TEGRA20		0x20
21 #define TEGRA30		0x30
22 #define TEGRA114	0x35
23 #define TEGRA124	0x40
24 
25 #define TEGRA_FUSE_SKU_CALIB_0	0xf0
26 #define TEGRA30_FUSE_SATA_CALIB	0x124
27 
28 #ifndef __ASSEMBLY__
29 
30 u32 tegra_read_chipid(void);
31 u8 tegra_get_chip_id(void);
32 
33 enum tegra_revision {
34 	TEGRA_REVISION_UNKNOWN = 0,
35 	TEGRA_REVISION_A01,
36 	TEGRA_REVISION_A02,
37 	TEGRA_REVISION_A03,
38 	TEGRA_REVISION_A03p,
39 	TEGRA_REVISION_A04,
40 	TEGRA_REVISION_MAX,
41 };
42 
43 struct tegra_sku_info {
44 	int sku_id;
45 	int cpu_process_id;
46 	int cpu_speedo_id;
47 	int cpu_speedo_value;
48 	int cpu_iddq_value;
49 	int core_process_id;
50 	int soc_speedo_id;
51 	int gpu_speedo_id;
52 	int gpu_process_id;
53 	int gpu_speedo_value;
54 	enum tegra_revision revision;
55 };
56 
57 u32 tegra_read_straps(void);
58 u32 tegra_read_chipid(void);
59 int tegra_fuse_readl(unsigned long offset, u32 *value);
60 
61 extern struct tegra_sku_info tegra_sku_info;
62 
63 #endif /* __ASSEMBLY__ */
64 
65 #endif /* __SOC_TEGRA_FUSE_H__ */
66